//
//  DouyinScrollViewController.m
//  TEXT
//
//  Created by mac on 2024/4/28.
//  Copyright © 2024 刘博. All rights reserved.
//

#import "DouyinScrollViewController.h"
#import "DouyinScrollTableViewCell.h"

#define kScreenWidth  [UIScreen mainScreen].bounds.size.width
#define kScreenHeight [UIScreen mainScreen].bounds.size.height

@interface DouyinScrollViewController () <UITableViewDelegate, UITableViewDataSource, UIGestureRecognizerDelegate>

@property (nonatomic, strong) UITableView *tableView;

@property (nonatomic, assign) NSInteger currentIndex;

@property (nonatomic, assign) CGFloat velocity;

@property (nonatomic, strong) NSMutableArray *colorArray;

@property (nonatomic, strong) UIGestureRecognizer *tap1;
@property (nonatomic, strong) UIGestureRecognizer *tap2;

@end

@implementation DouyinScrollViewController

- (BOOL)prefersStatusBarHidden
{
    return YES;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
   // [self.view addSubview:self.tableView];
    self.colorArray = [NSMutableArray array];
    for (int i = 0; i < 10; i ++) {
        int r = arc4random() % 255;
        int g = arc4random() % 255;
        int b = arc4random() % 255;
        CGFloat rr = r / 255.0;
        CGFloat rg = g / 255.0;
        CGFloat rb = b / 255.0;
        UIColor *color = [[UIColor alloc]initWithRed:rr green:rg blue:rb alpha:1];
        [self.colorArray addObject:color];
    }
    [self.tableView reloadData];
    
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(kkk)];
    tap.numberOfTapsRequired = 1;
    tap.delegate = self;
    self.tap1 = tap;
    UITapGestureRecognizer *lll = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(llll)];
    lll.numberOfTapsRequired = 1;
    [self.view addGestureRecognizer:lll];
    [self.view addGestureRecognizer:tap];

    lll.delegate = self;
    self.tap2 = lll;
    // Do any additional setup after loading the view.
}

- (void)kkk
{
    NSLog(@"哈哈哈哈哈执行kkkk");
}

- (void)llll {
    NSLog(@"哈哈哈啊哈哈执行llllll");
}


- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
{
    if (gestureRecognizer == self.tap1 && otherGestureRecognizer == self.tap2) {
        return YES;
    }
    NSLog(@"%p %p %p %p", gestureRecognizer, self.tap1, otherGestureRecognizer, self.tap2);
    return NO;
}

#pragma mark - UITableViewDelegate, UITableViewDataSource

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    DouyinScrollTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass([DouyinScrollTableViewCell class])];
    [cell updateWithColor:self.colorArray[indexPath.row]];
    //    cell.textLabel.text = [NSString stringWithFormat:@"%ld",indexPath.row];
    //    cell.backgroundColor = self.colorArray[indexPath.row];
    //    if (!cell.contentView.backgroundColor) {
    //        cell.contentView.backgroundColor = self.colorArray[indexPath.row];
    //    }
    //    return cell;
    return cell;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return 10;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return kScreenHeight;
}

#pragma mark - scrolllVIewDelegate

- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    
}

- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset
{
    self.velocity = velocity.y;
}

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
{
    dispatch_async(dispatch_get_main_queue(), ^{
        CGPoint translatedPoint = [scrollView.panGestureRecognizer translationInView:scrollView];
        //UITableView禁止响应其他滑动手势
        scrollView.panGestureRecognizer.enabled = NO;
        CGFloat translateCheck = 60;
        if (fabs(self.velocity) > 0.4) {
            translateCheck = 8;
        }
        if(translatedPoint.y < -translateCheck && self.currentIndex < 10) {
            self.currentIndex ++;   //向下滑动索引递增
        }
        if(translatedPoint.y > translateCheck && self.currentIndex > 0) {
            self.currentIndex --;   //向上滑动索引递减
        }
        
        if (self.currentIndex == 10) {
            return;
        }
        
        [UIView animateWithDuration:0.15
                              delay:0.0
                            options:UIViewAnimationOptionCurveEaseOut animations:^{
            //UITableView滑动到指定cell
            [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:self.currentIndex inSection:0] atScrollPosition:UITableViewScrollPositionTop animated:NO];
        } completion:^(BOOL finished) {
            //UITableView可以响应其他滑动手势
            scrollView.panGestureRecognizer.enabled = YES;
        }];
        
    });
}

#pragma - private

- (void)animationToIndex:(NSInteger)index
{
    [UIView animateWithDuration:0.2 delay:0 options:UIViewAnimationOptionCurveEaseOut animations:^{
        self.tableView.contentOffset = CGPointMake(0, kScreenHeight * index);
    } completion:^(BOOL finished) {
        
    }];
}

#pragma mark - lazy load

- (UITableView *)tableView
{
    if (!_tableView) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, - kScreenHeight, CGRectGetWidth(self.view.bounds), kScreenHeight * 3) style:UITableViewStylePlain];
        [_tableView registerClass:[DouyinScrollTableViewCell class] forCellReuseIdentifier:NSStringFromClass([DouyinScrollTableViewCell class])];
        _tableView.rowHeight = kScreenHeight;
        _tableView.contentInset = UIEdgeInsetsMake(kScreenHeight , 0, kScreenHeight, 0);
        _tableView.estimatedRowHeight = kScreenHeight;
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.backgroundColor = [UIColor redColor];
        _tableView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
        _tableView.separatorInset = UIEdgeInsetsZero;
    }
    return _tableView;
}

/*
 #pragma mark - Navigation
 
 // In a storyboard-based application, you will often want to do a little preparation before navigation
 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
 // Get the new view controller using [segue destinationViewController].
 // Pass the selected object to the new view controller.
 }
 */

@end
